Hydraulics & Fluid Mechanics According to Bernoulli’s equation for steady ideal fluid flow the energy is constant along a stream-line but may vary across streamlines velocity and pressure are inversely proportional principle of conservation of mass holds total energy is constant throughout the energy is constant along a stream-line but may vary across streamlines velocity and pressure are inversely proportional principle of conservation of mass holds total energy is constant throughout ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics According to the principle of buoyancy a body totally or partially immersed in a fluid will be lifted up by a force equal to weight of the fluid displaced by the body the weight of the body more than the weight of the body less than the weight of the body weight of the fluid displaced by the body the weight of the body more than the weight of the body less than the weight of the body ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Which of the following is demensionless specific speed specific gravity specific volume specific weight specific speed specific gravity specific volume specific weight ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics A bucket of water is hanging from a spring balance. An iron piece is suspended into water without touching sides of bucket from another support. The spring balance reading will increase/decrease depending on depth of immersion remain same increase decrease increase/decrease depending on depth of immersion remain same increase decrease ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Mercury is often used in barometer because its vapour pressure is so low that it may be neglected the height of barometer will be less both (B) and (C) it is the best liquid its vapour pressure is so low that it may be neglected the height of barometer will be less both (B) and (C) it is the best liquid ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics A model of torpedo is tested in a towing tank at a velocity of 25 m/sec. The prototype is expected to attain a velocity of 5 m/sec. What model scale has been used ? 1:50 1 :25 1 : 5 1 : 2.5 1:50 1 :25 1 : 5 1 : 2.5 ANSWER DOWNLOAD EXAMIANS APP